R squared (R2)
• R-squared, or the coefficient of determination, measures how much of the variation in a dependent variable (Y) is explained by one or more…
Quotation
A quotation (quote) in financial markets is the latest priced reference for an asset — most commonly the last trade price — together with…
Quota
A quota is a government-enforced quantitative limit on the number or value of specific goods that may be imported into or exported from a…
Quick Response (QR) Codes
Key takeaways – A QR code is a two‑dimensional (matrix) barcode that encodes data as black/colored modules in a square grid, readable by imaging…
Quick Ratio
The quick ratio (also called the acid-test ratio) measures a company’s ability to meet its short‑term obligations using only its most liquid current assets.…
queuing theory
Queuing (queueing) theory is a branch of applied mathematics and operations research that analyzes how “lines” form and behave — where a line can…
quasi contract
A quasi contract (also called an implied-in-law or constructive contract) is not an actual agreement between parties. It is a legal remedy a court…
Quantum Computing
Quantum computing is a fundamentally different approach to computing that uses quantum-mechanical phenomena—most importantly superposition and entanglement—to process information. Instead of classical bits that…
Quantity Supplied
Key takeaways – Quantity supplied is the specific amount of a good or service that producers are willing and able to sell at a…
Quantitative Easing
Introduction Quantitative easing (QE) is an unconventional monetary policy central banks use to stimulate economic activity when short-term interest rates are already near zero…